ꢀꢁ ꢂꢃ ꢄꢅ ꢆꢇ ꢈ ꢇ ꢉ ꢊ ꢋꢌ ꢀꢁꢍ ꢃ ꢄ ꢅꢆ ꢇꢈ ꢇꢉ ꢊ
ꢉ ꢊ ꢎꢅꢏ ꢆꢌ ꢆꢐ ꢏꢎꢑꢒ ꢐꢆ ꢌ ꢓꢁꢏꢔ ꢕꢐꢀꢄ ꢖꢌꢅ ꢓꢀꢌ ꢕꢗꢘꢙ ꢄꢁ ꢚ ꢕ ꢐꢀ
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SCBS179A − JUNE 1992 − REVISED JULY 1994
• Members of the Texas Instruments
Widebus+ Family
• Typical V
(Output Ground Bounce)
OLP
< 0.8 V at V
= 5 V, T = 25°C
CC
A
• State-of-the-Art EPIC-ΙΙB BiCMOS Design
• Distributed V
and GND Pin Configuration
Minimizes High-Speed Switching Noise
CC
Significantly Reduces Power Dissipation
• UBE (Universal Bus Exchanger)
Combines D-Type Latches and D-Type
Flip-Flops for Operation in Transparent,
Latched, Clocked, or Clock-Enabled Mode
• High-Drive Outputs (−32-mA I
,
OH
64-mA I
)
OL
• Bus Hold on Data Inputs Eliminates the
Need for External Pullup/Pulldown
Resistors
• ESD Protection Exceeds 2000 V
Per MIL-STD-883C, Method 3015
• Packaged in 80-Pin Plastic Thin Quad
Flat (PN) Package With 12 × 12-mm Body
Using 0.5-mm Lead Pitch
• Latch-Up Performance Exceeds 500 mA
Per JEDEC Standard JESD-17
SN74ABT32316 . . . PN PACKAGE
(TOP VIEW)
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61
A2
A3
A4
GND
A5
A6
A7
A8
A9
C8
C7
C6
GND
C5
C4
C3
C2
C1
1
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
2
3
4
5
6
7
8
9
V
V
10
11
12
13
14
15
16
17
18
19
20
CC
CC
GND
A10
A11
A12
A13
A14
GND
A15
A16
NC
GND
B16
B15
B14
B13
B12
GND
B11
B10
B9
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
NC − No internal connection
Widebus+, EPIC-ΙΙB, and UBE are trademarks of Texas Instruments Incorporated.
Copyright 1994, Texas Instruments Incorporated
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5−1
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